21185150

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8647}}^1$

素因数の和:8673

約数の個数: 36

約数和(自身を含む): 45843048

約数和(自身を除く): 24657898

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8647, 17294, 43235, 60529, 86470, 121058, 216175, 302645, 423703, 432350, 605290, 847406, 1513225, 2118515, 3026450, 4237030, 10592575, 21185150]

約数ペア:

[(1, 21185150), (2, 10592575), (5, 4237030), (7, 3026450), (10, 2118515), (14, 1513225), (25, 847406), (35, 605290), (49, 432350), (50, 423703), (70, 302645), (98, 216175), (175, 121058), (245, 86470), (350, 60529), (490, 43235), (1225, 17294), (2450, 8647)]